Japan: Chinese aircraft incursion a 'serious violation'

Japan slammed yesterday what it called the first confirmed incursion by a Chinese military aircraft into its airspace as a "serious violation" of its sovereignty, saying Beijing was becoming "increasingly active."

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China's growing economic and military clout in the Asia-Pacific region and its assertiveness in territorial disputes - most recently with the Philippines - has rattled the United States and its allies, and Monday's incident represents a further heightening of tensions.